Finding the Fourth Proportional to 152,152.56, 209,966.52 and 84,172.32

Step by Step Solution

1. Step 1: Write the proportion equation
   152,152.56 : 209,966.52 = 84,172.32 : x
2. Step 2: Convert to fraction form
   152,152.56/209,966.52 = 84,172.32/x
3. Step 3: Cross multiply
   152,152.56x = 209,966.52 × 84,172.32
4. Step 4: Simplify right side
   152,152.56x = 17,673,369,110.73
5. Step 5: Solve for x
   x = 17,673,369,110.73/152,152.56
6. Step 6: Final answer
   x = 116,155.58